When clearing intestinal tract with mannitol for oral use,some patients who were suspected incomplete intestinal obstruction should be applied to abrosia,laxness with low dose mannitol.

• 对怀疑有不完全性肠梗阻的病人不宜口服甘露醇急泻做肠道准备,宜采用禁食、小剂量甘露醇缓泻;